[PATCH] libata: export ata_hsm_move()

ata_hsm_move() will be used by LLDDs which depend on standard PIO HSM
but implement their own interrupt handlers.
Signed-off-by: Tejun Heo <htejun@gmail.com>

drivers/scsi/libata-core.c

@@ -4140,8 +4140,7 @@ static void ata_hsm_qc_complete(struct ata_queued_cmd *qc, int in_wq)
  *	RETURNS:
  *	1 when poll next status needed, 0 otherwise.
  */
-
-static int ata_hsm_move(struct ata_port *ap, struct ata_queued_cmd *qc,
+int ata_hsm_move(struct ata_port *ap, struct ata_queued_cmd *qc,
 		 u8 status, int in_wq)
 {
 	unsigned long flags = 0;
@@ -5885,6 +5884,7 @@ EXPORT_SYMBOL_GPL(ata_device_add);
 EXPORT_SYMBOL_GPL(ata_host_set_remove);
 EXPORT_SYMBOL_GPL(ata_sg_init);
 EXPORT_SYMBOL_GPL(ata_sg_init_one);
+EXPORT_SYMBOL_GPL(ata_hsm_move);
 EXPORT_SYMBOL_GPL(ata_qc_complete);
 EXPORT_SYMBOL_GPL(ata_qc_complete_multiple);
 EXPORT_SYMBOL_GPL(ata_qc_issue_prot);

include/linux/libata.h

@@ -723,6 +723,8 @@ extern void ata_bmdma_drive_eh(struct ata_port *ap, ata_prereset_fn_t prereset,
 			       ata_postreset_fn_t postreset);
 extern void ata_bmdma_error_handler(struct ata_port *ap);
 extern void ata_bmdma_post_internal_cmd(struct ata_queued_cmd *qc);
+extern int ata_hsm_move(struct ata_port *ap, struct ata_queued_cmd *qc,
+			u8 status, int in_wq);
 extern void ata_qc_complete(struct ata_queued_cmd *qc);
 extern int ata_qc_complete_multiple(struct ata_port *ap, u32 qc_active,
 				    void (*finish_qc)(struct ata_queued_cmd *));